Smart Machine Smart Decision
SIM868_Series_Hardware_Design_V1.06
11
2017-07-13
2.1.
SIM868 Key Features
Table 1: Key Features of GSM Part
Feature
Implementation
Power supply
3.4V ~4.4V
Power saving
Typical power consumption in sleep mode is 0.65mA (AT+CFUN=0)
Frequency bands
Quad-band: GSM 850, EGSM 900, DCS 1800, PCS 1900. SIM868 can search
the 4 frequency bands automatically. The frequency bands can also be set by
AT command “AT+CBAND”. For details, please refer to document [1].
Compliant to GSM Phase 2/2+
Transmitting power
Class 4 (2W) at GSM 850 and EGSM 900
Class 1(1W) at DCS 1800 and PCS 1900
GPRS connectivity
GPRS multi-slot class 12(default)
GPRS multi-slot class 1~12 (option)
Temperature range
Normal operation:-40°C ~ +85°C
Storage temperature -45°C ~ +90°C
Data GPRS
GPRS data downlink transfer: max. 85.6 kbps
GPRS data uplink transfer: max. 85.6 kbps
Coding scheme: CS-1, CS-2, CS-3 and CS-4
PAP protocols for PPP connect
Integrate the TCP/IP protocol
Support Packet Broadcast Control Channel (PBCCH)
USSD
Unstructured Supplementary Services Data (USSD) support
SMS
MT, MO, CB, Text and PDU mode.
SMS storage: SIM card
SIM interface
Support SIM card: 1.8V, 3V
FLASH
32Mbit
RAM
32Mbit
Audio features
Speech codec modes:
Half Rate (ETS 06.20)
Full Rate (ETS 06.10)
Enhanced Full Rate (ETS 06.50 / 06.60 / 06.80)
Adaptive multi rate (AMR)
Echo Cancellation
Noise Suppression
Serial port and
USB port
Serial port:
Default one full modem serial port
Can be used for AT commands or data stream
Support RTS/CTS hardware handshake and software ON/OFF flow control
Multiplex ability according to GSM 07.10 Multiplexer Protocol
Autobauding supports baud rate from 1200 bps to 115200bps
upgrading firmware
USB port:
SIMCOM
CONFIDENTIAL
FILE
